I need to print unicode symbols to the file, but I get their codes instead.
Here is an example:
#include <iostream> #include <fstream> using namespace std; int main () { int code = 33; wchar_t sym = wchar_t(code); ofstream output ("output.txt"); output << sym << "\n"; output.close(); return 0; } So I expect to see ! in my file, but I see 33. How can I fix it?
How can I print unicode characters to text file
I expect to see ! in my file
Here is an example writing
UTF-8:
std::ofstream output("output.txt"); output << u8"!\n"; UTF-16:
std::basic_ofstream<char16_t> output ("output.txt"); output << u"!\n"; UTF-32:
std::basic_ofstream<char32_t> output ("output.txt"); output << U"!\n"; wchar_t may also work, but only when the wide compilation character encoding is unicode. Whether it is UTF-16 or UTF-32 or something else depends on the system:
std::wofstream output ("output.txt"); output << L"!\n"; std::ofstream operates on char data and does not have any operator<< that takes wchar_t data as input. It does have operator<< that takes int, and wchar_t is implicitly convertible to int. That is why you are getting the character outputted as a number.
You need to use std::wofstream instead for wchar_t data.
wchar_t data is encoded depends on the locale that is imbue()'d into the stream
std::wofstreaminstead. And FYI, cplusplus.com is generally considered to be a poor C++ reference site, you should use cppreference.com (wofstream)